give me an example of an energy conversion that produces unwanted forms of energy?

Question

08surya · Answer

in signal transmission when we transmit our voice to any point then transducer converts our voice into electrical form sometimes in this conversion radiation also takes place that is unwanted form of energy.

anonymous · Answer

thanks :) @08surya

08surya · Answer

@mih -ur welcome

anonymous · Answer

when u roll a ball over ground.. ur energy is finally converted into heat and sound and other energy which is not really useful !

08surya · Answer

fire a bullet from a gun in that case sound and heat is generated which is not useful only kinetic energy is useful